74987020

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{28621}}^1$

素因数の和:28761

約数の個数: 24

約数和(自身を含む): 158680368

約数和(自身を除く): 83693348

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 28621, 57242, 114484, 143105, 286210, 572420, 3749351, 7498702, 14997404, 18746755, 37493510, 74987020]

約数ペア:

[(1, 74987020), (2, 37493510), (4, 18746755), (5, 14997404), (10, 7498702), (20, 3749351), (131, 572420), (262, 286210), (524, 143105), (655, 114484), (1310, 57242), (2620, 28621)]